File:US22770 David E. Hughes Patent.pdf: Difference between revisions
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(Be it known that I, David E. Hughess, of New York, county of New York, and State of New York, have invented certain new and useful Improvements in Telegraphing Machines; and I do hereby declare that the following is a full, clear, and exact descriptio...) |
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== Summary == | == Summary == | ||
US Patent 22770 for improvements to printing telegraph machines to improve the accuracy of selecting the correct character sent. | |||
Revision as of 03:06, 13 December 2019
Summary
US Patent 22770 for improvements to printing telegraph machines to improve the accuracy of selecting the correct character sent.
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current | 17:17, 12 December 2019 | (743 KB) | Hswarford (talk | contribs) | Be it known that I, David E. Hughess, of New York, county of New York, and State of New York, have invented certain new and useful Improvements in Telegraphing Machines; and I do hereby declare that the following is a full, clear, and exact descriptio... |
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